Comment amtetcher SNF 2007-05-09 00:47:12: cannot pump down to base

eenriquez at snf.stanford.edu eenriquez at snf.stanford.edu
Wed May 9 08:47:45 PDT 2007


Hot loop water for the bell jar is only at 27 C, setpoint is 35C.  Need to order a new heater.  Ran a pumping speed vs. time bell jar is open.  When the bell jar has been open for 2 min., the pump down time is 2.9 min.  When the bell jar open time = 10 min., the pump down time = 5.8 min.




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